Display Device and Light Detection Module

1. A display device, comprising: a display panel, having a display surface; and a light detection module, used to detect an optical feature of the display surface, wherein the light detection module has a first mode and a second mode, and comprises: a shaft portion, having a shaft extension direction; a rod portion, having a rod extension direction, wherein the rod portion has a connection end portion and a detection end portion, and the connection end portion is fixed on the shaft portion and takes the shaft portion as a rotation shaft; and a light detector, located on the detection end of the rod portion, wherein the light detector has a detection surface, when the light detection module is in the first mode, the detection surface of the light detector is located at a first position, and the detection surface faces away from the display surface, when the light detection module is in the second mode, the detection surface of the light detector is located at a second position, and the detection surface faces the display surface, wherein an included angle between the rod extension direction and the shaft extension direction is an obtuse angle.

2. The display device according to claim 1, wherein a minimum distance from the second position to a boundary of the display surface is greater than a minimum distance from the first position to the boundary of the display surface.

3. The display device according to claim 1, wherein in the first mode and the second mode, the shaft extension direction is parallel to the display surface.

4. The display device according to claim 1, wherein the display device has a frame, the frame surrounds the display surface, the shaft portion is located at the frame, the frame has a frame width, a width of the rod portion is smaller than the frame width, and a length of the rod portion is greater than the frame width.

5. The display device according to claim 1, wherein the display device has a frame, wherein the frame has an accommodating recess, and the rod portion is disposed in the accommodating recess.

6. The display device according to claim 1, wherein the display device has a frame, wherein the shaft portion is installed on the frame.

7. The display device according to claim 1, wherein in the first mode, the rod extension direction is parallel to the boundary of the display surface, and in the second mode, the rod extension direction is perpendicular to the boundary of the display surface.

8. The display device according to claim 1, wherein when the shaft portion rotates, the rod portion rotates with the shaft portion as the rotation shaft, and a track surface formed by sweeping the rod portion is a portion of a solid cone surface.

9. The display device according to claim 1, wherein the light detection module further comprises: a roller, wherein the shaft portion penetrates the roller, and the roller rotates to drive the shaft portion to rotate.

10. The display device according to claim 1, wherein the light detection module further comprises: a rocker arm, wherein the shaft portion is fixed to one end of the rocker arm, and anther end of the rocker arm swings to rotate the shaft portion.

11. The display device according to claim 1, wherein the light detection module further comprises: a motor, wherein one end of the shaft portion far away from the rod portion is fixed on the motor, and the motor is used to drive the shaft portion to rotate.

12. The display device according to claim 1, wherein when the light detection module is in the first mode, the light detection module enables the light detector to detect an ambient light.

13. The display device according to claim 1, wherein the light detection module further comprises: a light shield, disposed on the rod portion and surrounds the detection surface of the light detector, and protrudes relative to the detection surface, wherein when the light detection module is in the second mode, the light shield is abutted against the display surface.

14. The display device according to claim 13, wherein when the light detection module is switched from the first mode to the second mode, a rotation angle range of the rotation axis is greater than 180 degrees and less than 190 degrees.

15. The display device according to claim 1, wherein the rod portion further has a bending portion located between the detection end portion and the connection end portion, and the bending portion is formed of a flexible material, wherein when the light detection module is in the second mode, the shaft portion is rotated to a position where the bending portion is bent and the detection end portion is attached to the display surface.

16. The display device according to claim 1, wherein the rod portion further has an chamfered portion, and the light detector is located on the chamfered portion.